# What’s weight OEM 2018 CX9 20 inch rim? Planning for 1 size up.

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**1**Junior Member

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Join Date: Feb 2019

Location: Singapore

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**What’s weight OEM 2018 CX9 20 inch rim? Planning for 1 size up.**

Trying to search the OEM weight of 2018 CX9 20inch with 8.5 width. Heard it’s either 30lbs or 39.55lbs. Does anyone knows the weight? Thanks

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**2**Member

Join Date: Feb 2014

Posts: 38

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**3**
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**4**Member

Join Date: Feb 2014

Posts: 38

Huh? Mass is mass. Many 22" rims have less mass than the 20" rims they are replacing. And many after market tires will help keep the overall mass at each wheel reduced over the stock setup by 5-9 lbs per wheel.

That will improve braking, acceleration and handling.

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**5***Last edited by shipo; 02-16-2019 at 08:40 PM.*

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**6**Member

Join Date: Feb 2014

Posts: 38

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**7**
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**8**Member

Join Date: Feb 2014

Posts: 38

Again do the math. And realize you are using a lighter 22" rim, with almost almost the same wheel/tire weight (lighter), and exact same overall diameter.

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**9**Do the math. Really, just do the math. You are making several assumptions. First, that the new wheel/tire combo will weigh more on the outside than the inside. Again, that is just an assumption. Second, you are assuming that the total diameter is changing dramatically, which again, is an assumption.

Again do the math. And realize you are using a lighter 22" rim, with almost almost the same wheel/tire weight (lighter), and exact same overall diameter.

Again do the math. And realize you are using a lighter 22" rim, with almost almost the same wheel/tire weight (lighter), and exact same overall diameter.

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**10**Member

Join Date: Feb 2014

Posts: 38

You brought the equations into the discussion to defend your argument. But clearly don't understand them enough to use them to defend your argument.